Senior QA Automation Engineer

Jobtailor; Warszawa; On-site; PLN 600,000 - 1,200,000; Full time

Job summary

Jobtailor is seeking a seasoned test automation engineer to plan and execute comprehensive testing across integration, system, and usability levels. You will lead E2E/UAT efforts and collaborate with developers to identify critical paths for stability.

Responsibilities include designing robust automated frameworks, conducting code reviews, and evaluating new tools, with a focus on improving testing strategies and automation practices.

Qualifications

• Minimum 5+ years hands-on test automation experience.
• Proficiency in Java and/or JavaScript for test development.
• Strong knowledge of Git/version control and API testing with Postman.

Responsibilities

• Plan and execute integration, system, and usability testing.
• Participate in End-to-End (E2E) and User Acceptance Testing (UAT).
• Collaborate closely with developers to identify critical paths and ensure product stability.
• Foster strong collaboration with other development teams.
• Design, develop, and maintain automated testing frameworks.
• Participate in code reviews and promote high-quality engineering practices.
• Evaluate, integrate, and introduce new testing tools and technologies (Proof of Concept, showcases).
• Contribute to continuous improvements in the testing strategy and automation processes.

Skills

Java

JavaScript

Git

Postman

API testing

CI/CD

Performance testing

SDLC

SOLID

KISS

OOP

Design patterns

Code review

Jira

X-ray plugin

Tools

Jira

X-Ray

Job description

Responsibilities

• Plan and execute integration, system, and usability testing.
• Participate in End-to-End (E2E) and User Acceptance Testing (UAT).
• Collaborate closely with developers to identify critical paths and ensure product stability.
• Foster strong collaboration with other development teams.
• Design, develop, and maintain automated testing frameworks.
• Participate in code reviews and promote high-quality engineering practices.
• Evaluate, integrate, and introduce new testing tools and technologies (Proof of Concept, showcases).
• Contribute to continuous improvements in the testing strategy and automation processes.

Requirements

• Minimum 5+ years of hands‑on test automation experience.
• Core technical skills: Proficiency in Java and/or JavaScript for test development.
• Strong expertise in Git and version control workflows.
• Hands‑on experience with Postman for API testing and validation.
• Deep knowledge of CI/CD processes and tooling.
• Excellent understanding of API response structures and contract testing.
• Experience with performance testing methodologies and execution.
• Solid grasp of SDLC across the full software delivery lifecycle.
• Strong command of programming best practices: SOLID, KISS, OOP, design patterns.
• Experience in code review and promoting development standards.
• Proven ability to evaluate and integrate new tools and technologies (POC, showcase).
• Familiarity with Jira; experience with X‑ray plugin is a plus.